Astronomicheskaya kartinka dnya (APOD)

Kallisto: pokrytyi kraterami gryaznyi ledyanoi shar
1.09.2025 | Astronomicheskaya kartinka dnya

Plotnost' kraterov na ego poverhnosti samaya bol'shaya v Solnechnoi sisteme, no chto nahoditsya vnutri? Sputnik Yupitera Kallisto – pokrytyi kraterami gryaznyi ledyanoi shar, kotoryi bol'she planety Merkurii. V 1990-h i 2000-h godah ego poseshal kosmicheskii apparat Galileo, odnako eto izobrazhenie polucheno vo vremya proleta apparata NASA Voyadzher-2 v 1979 godu i nedavno pereobrabotano.

NGC 7027: planetarnaya tumannost' Podushka
31.08.2025 | Astronomicheskaya kartinka dnya

Kak obrazovalas' eta neobychnaya planetarnaya tumannost'? NGC 7027, kotoruyu nazyvayut tumannost'yu Podushka ili Letuchii Kover – odna iz samyh malen'kih, yarkih i obladayushih neobychnoi formoi iz vseh izvestnyh planetarnyh tumannostei. Skorost' rasshireniya NGC 7027 pozvolyaet opredelit' vremya nachala rasshireniya dlya zemnyh nablyudatelei – okolo 600 let nazad.

Dva procenta Luny
30.08.2025 | Astronomicheskaya kartinka dnya

Polumesyac molodoi Luny byvaet nelegko naiti na nebe. Kogda Luna vidna kak tonkii serp (molodoi ili staryi), ona vsegda blizka k Solncu na nebe planety Zemlya. Odnako na etom rannem vechernem peizazhe izyashnyi osveshennyi Solncem polumesyac horosho viden, hotya nebo eshe yarkoe.

APOD: 2025 August 29 B A Dark Veil in Ophiuchus
29.08.2025 | Astronomicheskaya kartinka dnya

The diffuse hydrogen-alpha glow of emission region Sh2-27 fills this cosmic scene. The field of view spans nearly 3 degrees across the nebula-rich constellation Ophiuchus toward the central Milky Way. A Dark Veil...

Galaktiki, zvezdy i pyl'
28.08.2025 | Astronomicheskaya kartinka dnya

Na etom glubokom kosmicheskom peizazhe mozhno uvidet' okruzhennye luchami zvezdy i pohozhie na privideniya svetyashiesya oblaka. Izobrazhenie pokryvaet pole razmerom bol'she diska polnoi Luny v sozvezdii Pegasa. U yarkih zvezd, nahodyashihsya v nashei Galaktike Mlechnyi Put', vidny difrakcionnye luchi. Tak proyavlyaet sebya kreplenie vtorichnogo zerkala v teleskope-reflektore.

APOD: 2025 August 27 B WISPIT 2b: Exoplanet Carves Gap in Birth Disk
27.08.2025 | Astronomicheskaya kartinka dnya

That yellow spot -- what is it? It's a young planet outside our Solar System. The featured image from the Very Large Telescope in Chile surprisingly captures a distant scene much like our own Solar System's birth, some 4.5 billion years ago.

Meteor i zvezdnoe skoplenie
25.08.2025 | Astronomicheskaya kartinka dnya

Inogda nebo udivlyaet vas. Chtoby uvidet' bol'she zvezd i tuskluyu tumannost' v zvezdnom skoplenii Pleyady (M45), ispol'zuyut dlinnye ekspozicii. Na etih ekspoziciyah inogda poyavlyayutsya menee interesnye ob'ekty, kotorye ne sobiralis' zapechatlet' i ot kotoryh izbavlyayutsya pri obrabotke.

Vrashayushiisya pul'sar v Krabovidnoi tumannosti
24.08.2025 | Astronomicheskaya kartinka dnya

V centre Krabovidnoi tumannosti nahoditsya neitronnaya zvezda razmerom s gorod s sil'nym magnitnym polem, kotoraya vrashaetsya vokrug svoei osi 30 raz za sekundu. Eto – pul'sar v Krabe – yarkoe pyatnyshko v seredine gazovogo vihrya v centre tumannosti.

Rybalka na Lunu
23.08.2025 | Astronomicheskaya kartinka dnya

Kak velika nasha Luna? Esli sravnivat' s drugimi sputnikami Solnechnoi sistemy, ona nahoditsya na pyatom meste po razmeru, ustupaya sputniku Yupitera Ganimedu, sputniku Saturna Titanu i sputnikami Yupitera Kallisto i Io. Prodolzhaya spisok, Luna bol'she sputnika Yupitera Evropy i sputnika Neptuna Tritona. Luna bol'she karlikovyh planet Pluton i Eris.

Rasskaz o dvuh tumannostyah
22.08.2025 | Astronomicheskaya kartinka dnya

Na etom cvetnom teleskopicheskom izobrazhenii uchastka neba v "muzykal'nom" severnom sozvezdii Lira vidny tuskloe vneshnee galo i yarkaya kol'ceobraznaya central'naya oblast' M57, izvestnoi kak tumannost' Kol'co. Dlya sovremennyh astronomov M57 – horosho izvestnaya planetarnaya tumannost'. Razmer central'nogo kol'ca – okolo odnogo svetovogo goda.